Frequency of Second Mesiobuccal (Mb2) Canal in Maxillary First Permanent Molar

Abstract

Objective: To examine the frequency of MB2 canals in maxillary first permanent molars.

Study Design: Cross sectional study.

Place and Duration of Study: This study was conducted at the Military Dental Centre, CMH Peshawar from April 2019 to September 2019.

Patients and Methods: Two hundred and thirty eight cases were included. Rubber dam for isolation was applied after achieving local anaesthesia.  MB2 canal location was done in three stages.

Results: There were 65.1% males while 34.9% patients were females with mean age 31.12±11.74 years. Second mesiobuccal canal was found in 193 cases (81.1%).

Conclusion: The frequency of second mesiobuccal canal was high and the majority of second mesiobuccal canal openings were located distal to the main mesiobuccal canal.